aboutsummaryrefslogtreecommitdiffstats
path: root/uricut.c
blob: df8136e1bddd450fb119fe7da43a8060be58deed (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
#define _XOPEN_SOURCE 500
#include <string.h>
#include "uri.h"

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>

/*
 schemes are case sensitive but cononicals are lower case.
 domain is case insensitive. return it lowercased?
 port is optional and in decimal
 path
 scheme://username:password@domain:port/path?query_string#fragment_id
 mailto:username@domain

 optional stuff:
 scheme, username, password, port, path, query_string, fragment_id
*/

#define AorB(a,b) ((a)?(a):(b))

#define F_SCHEME 1<<0
#define F_USERNAME 1<<1
#define F_PASSWORD 1<<2
#define F_DOMAIN 1<<3
#define F_PORT 1<<4
#define F_PATH 1<<5
#define F_QUERY_STRING 1<<6
#define F_FRAGMENT_ID 1<<7
#define F_WHOLE_URI 1<<8

char *long_opts[]={"scheme","username","password","domain","port","path","query_string","fragment_id","URI",0};
char *short_opts[]={"s","u","k","d","P","p","q","f","U"};

int main(int argc,char *argv[]) {
 char *uri;
 char *line=0;
 short args[256];//this needs to be a short to make room for the F_WHOLE_URI
 int i,j,c=0;
 int size=8192;//use this to increase max length of URIs we can read from stdin
 char at_least_one=0;
 char fixme=0;
 char using_stdin=1;
 char malloced=0;
 struct uri u;
 if(argc > 1) {
  if(!strcmp(argv[1],"--help") || !strcmp(argv[1],"-h")) {
   printf("usage: echo uris | uricut [options]\n");
   printf("usage: uricut [options] uri [options] [uri]\n\n");
   printf("options: \n");
   for(i=0;long_opts[i];i++) {
    printf("        -%s|--%s\n",short_opts[i],long_opts[i]);
   }
   printf("To set default values use environment variables like: CUTURI_[OPTION]\n");
   return 2;
  }
 }
 argv++;
 argc--;
 while(1) {
  u.scheme=0;
  u.username=0;
  u.password=0;
  u.domain=0;
  u.port=0;
  u.path=0;
  u.query_string=0;
  u.fragment_id=0;
  if(!using_stdin) c=0;
  if(argc >= 1) {
   for(;argc>0;argc--,argv++) {
    for(i=0;long_opts[i];i++) {
     if(!strncmp(*argv,"--",2)) {
      if(!strcmp(*argv+2,long_opts[i])) {
       args[c]=1<<i;
       c++;
       break;
      }
     }
    }
    fixme=0;
    if(**argv=='-' && argv[0][1] != '-') {
     for(j=1;argv[0][j];j++) {
      for(i=0;short_opts[i];i++) {
       if(argv[0][j]==*short_opts[i]) {
        args[c]=1<<i;
        c++;
        fixme=1;
       }
      }
     }
    }
    if(fixme) continue;
    if(long_opts[i]) continue;
    //if we get here we are at data instead of flags. work on it.
    line=*argv;
    using_stdin=0;
    argc--;
    argv++;
    break;
   }
  }
  if(!argc && !line) {//if we are out of arguments and it didn't include data
   using_stdin=1;
  }
  if(using_stdin) {
   line=malloc(size+1);
   malloced=1;
   if(!fgets(line,size,stdin)) {
    free(line);
    return 0;
   }
  }
  if(!line) return 0;
  for(i=0;line[i] && line[i] != '\n' && line[i] != '\r';i++);
  line[i]=0;

  uri=strdup(line);
  urifromline(&u,line);

  // printf("scheme://username:password@domain:port/path?query_string#fragment_id\n\n");
  //let's set them to what'll get printed now...

   if(c) {
    for(i=0;i<c;i++) {
     if(args[i]&F_SCHEME) printf("%s\n",AorB(u.scheme,""));
     if(args[i]&F_USERNAME) printf("%s\n",AorB(u.username,""));
     if(args[i]&F_PASSWORD) printf("%s\n",AorB(u.password,""));
     if(args[i]&F_DOMAIN) printf("%s\n",AorB(u.domain,""));
     if(args[i]&F_PORT) printf("%s\n",AorB(u.port,""));
     if(args[i]&F_PATH) printf("%s\n",AorB(u.path,""));
     if(args[i]&F_QUERY_STRING) printf("%s\n",AorB(u.query_string,""));
     if(args[i]&F_FRAGMENT_ID) printf("%s\n",AorB(u.fragment_id,""));
     if(args[i]&F_WHOLE_URI) printf("%s\n",uri);
    }
   } else {
    if(at_least_one)   printf("\n");
    if(u.scheme)       printf("scheme: %s\n",u.scheme);
    if(u.username)     printf("username: %s\n",u.username);
    if(u.password)     printf("password: %s\n",u.password);
    if(u.domain)       printf("domain: %s\n",u.domain);
    if(u.port)         printf("port: %s\n",u.port);
    if(u.path)         printf("path: %s\n",u.path);
    if(u.query_string) printf("query_string: %s\n",u.query_string);
    if(u.fragment_id)  printf("fragment_id: %s\n",u.fragment_id);
    printf("whole_uri: %s\n",uri);
    at_least_one=1;
   }
  free(uri);//this is definitely malloc()d
  if(malloced) {
   free(line);
   malloced=0;
   line=0;
  } else {
   line=0;//???
  }
 }
 return 0;
}